<?php
/**
 * Copyright (c) 2010, Slawomir Mazur <mazursllawek@gmail.com>
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions 
 * are met:
 * 
 * o Redistributions of source code must retain the above copyright notice, 
 *   this list of conditions and the following disclaimer.
 * o Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 * o Neither the name of the Softisland nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
/**
 * Enter description here...
 *
 * @package     default
 * @copyright   Slawomir Mazur (c) 2010 (http://www.zend.com/zce.php?c=ZEND011643)
 * @license     http://www.opensource.org/licenses/bsd-license.php
 * @author      Slawomir Mazur <mazursllawek@gmail.com>
 */

class Gp_View_Helper_Attribute extends Zend_View_Helper_Abstract
{
	private $_model = null;
	
	private $_attributeCodesMap = null;
	
	public function attribute()
	{
		return $this;
	}
	
	/**
	 * Get attribute name by id
	 * 
	 * @param int $id
	 * @return string attribute name|empty
	 */
	public function getAttributeNameById($id)
	{
		$attribute = $this->_getModel()->find($id)
					->current();
					
		if (!empty($attribute)) {
			return $attribute->name;
		}		
		return $id . ' [no name for this id]';
	}
	
	/**
	 * Get attribute by code
	 * 
	 * @param string $code
	 */
	public function getAttributeNameByCode($code)
	{
		if (is_null($this->_attributeCodesMap)) {
			$this->_attributeCodesMap = $this->_getModel()
						->getCodeOnAttributesMapping();
		}
							
		if (isset($this->_attributeCodesMap[$code])) {
			return $this->_attributeCodesMap[$code];
		}		
		return $code . ' [no name for this code]';
	}
	
	/**
	 * Get search ableattributes
	 * 
	 * return array
	 */
	public function getSearchableAttributes()
	{
		$searchableAttributes = $this->_getModel()
				->getSearchableAttributes();

		$attributes = array();		
		foreach ($searchableAttributes as $attribute) {
			$attributes[$attribute['attribute_id']] = $attribute['name'];
		}
		
		return $attributes;
	}
	
	public function getSearchableAttributesAsHTML()
	{
		$attributes = $this->getSearchableAttributes();
		
		$html = '';
		foreach ($attributes as $attrID => $attrName) {
			$html .= '<option value="' . $attrID . '">' . $attrName . '</option>';
		}		
		return $html;
	}
	
	public function getAttributesAsHTML()
	{
		$attributes = $this->_getModel()->getCollection();
		
		$html = '';
		foreach ($attributes as $attribute) {
			$html .= '<label><input type="checkbox" name="ae[]" value="' . $attribute->code . '" />' . $attribute->name . '</label>';
		}		
		return $html;
	}
	
	protected function _getModel()
	{
		if (null == $this->_model) {
			$this->_model = Gp_App::getModel('system/attribute');
		}
		return $this->_model;
	}
}